<!--用户列表页-->
<template>
  <div style="height: 6vh;padding: 10px 20px;background-color: #fff;">
    <span style="line-height: 60px;font-size: 20px;">用户管理</span>
    <el-button type="primary" style="float: right;margin-top: 10px"
    @click="beforeAddUser">新建用户</el-button>
  </div>
<!--新建用户弹窗-->
  <!-- :before-close="handleClose"在关闭弹窗前调用处理弹窗关闭的方法,防止误触将弹窗关闭 -->
  <el-dialog :title="dialogTitle" v-model="dialogVisible" style="width: 1000px;padding:40px" :before-close="handleClose">
    <el-form label-width="80px" label-position="top">
      <el-row :gutter="10">
        <el-col :span="12">
          <el-form-item label="用户名">
                <!--:disabled="saveUserForm.id!=null" 编辑员工时禁用用户输入框，新增用户时还没有id
                  从后端传过来之后才有id 所以可以判断新建和编辑-->
            <el-input placeholder="请输入用户名" v-model="saveUserForm.username"
            :disabled="saveUserForm.id!=null"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="手机名">
            <el-input placeholder="请输入手机号" v-model="saveUserForm.phone"></el-input>
          </el-form-item>
        </el-col>
      </el-row>

      <el-row :gutter="10">
        <el-col :span="12">
          <el-form-item label="邮箱">
            <el-input placeholder="请输入邮箱" v-model="saveUserForm.email"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="年龄">
            <el-input placeholder="年龄" v-model="saveUserForm.age"></el-input>
          </el-form-item>
        </el-col>
      </el-row>

      <el-row :gutter="10">
        <el-col :span="6">
              <el-form-item label="职级">
                <el-select placeholder="请选择"  v-model="saveUserForm.level" @change="loadLeader">
                  <el-option v-for="item in levelOptions" :label="item.label" :value="item.value" ></el-option>
                </el-select>
              </el-form-item>
            </el-col>
          <el-col :span="6">
            <el-form-item label="直属领导">
              <el-select placeholder="请选择"  v-model="saveUserForm.parentId">
<!--                <el-option label="职员" value="120"></el-option>-->
<!--                <el-option label="经理" value="20"></el-option>-->
              <el-option v-for="item in leaderOptions"
                         :label="item.username" :value="item.id"></el-option>
              </el-select>
            </el-form-item>
          </el-col>
        <el-col :span="4">
          <el-form-item label="性别">
          <el-radio-group  v-model="saveUserForm.gender">
            <el-radio border label="男" value="1" style="margin: 0;"></el-radio>
            <el-radio border label="女" value="2"></el-radio>
          </el-radio-group>
          </el-form-item>
        </el-col>
        <el-col :span="6">
          <el-form-item label="用户状态">
            <el-radio-group  v-model="saveUserForm.status">
              <el-radio border label="启用" value="1" style="margin: 0;"></el-radio>
              <el-radio border label="禁用" value="2"></el-radio>
            </el-radio-group>
          </el-form-item>
        </el-col>
      </el-row>
    </el-form>

    <template #footer>
      <el-button @click="handleClose">取消</el-button>
      <el-button type="primary" @click="saveUser">保存</el-button>
    </template>
  </el-dialog>
<!-- 用户搜索卡片-->
  <el-card style="margin: 20px;height: 70px;">
   <el-form :inline="true">
     <el-form-item label="用户搜索"  style="width: 220px;">
       <el-input placeholder="请输入用户名"
                 v-model="searchUserForm.username" @keydown.enter="loadUser"></el-input>
     </el-form-item>
     <el-form-item label="用户状态"  style="width: 220px;">
       <el-select placeholder="请选择用户状态"
                     v-model="searchUserForm.status" @change="loadUser">
         <el-option label="启用" value="1"></el-option>
         <el-option label="禁用" value="0"></el-option>
       </el-select>
     </el-form-item>
     <el-form-item>
       <el-button @click="resetSearch">重置</el-button>
       <el-button type="primary" @click="loadUser">搜索</el-button>
     </el-form-item>
   </el-form>
  </el-card >

<!--  用户列表数据卡片-->
  <el-card  style="margin: 20px;">
    <el-table :data="userArr">
      <el-table-column type="index" label="编号" width="80" align="center"></el-table-column>
      <el-table-column  label="用户名"  prop="username"  align="center"></el-table-column>
      <el-table-column  label="手机号"  prop="phone" align="center"></el-table-column>
      <el-table-column  label="加入时间"  prop="createTime"  align="center"></el-table-column>
      <el-table-column  label="用户状态"  prop="status" align="center">
        <template #default="scope">
          <el-switch active-value="1" inactive-value="0" v-model="scope.row.status"
          @change="changeStatus(scope.row.id,scope.row.status)"></el-switch>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center">
        <template #default="scope">
          <el-button link type="primary" :disabled="scope.row.level==40"
          @click="resetPassword(scope.row.id)">密码重置</el-button>
          <el-button link type="primary" :disabled="scope.row.level==40"
          @click="editUser(scope.row.id)">编辑</el-button>
          <el-button link type="primary" :disabled="scope.row.level==40"
          @click="deleteUser(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
  </el-card>
</template>

<script setup>

import {onMounted, ref} from "vue";
import axios from "axios";
import {ElMessage} from "element-plus";
import qs from "qs";
//定义变量来控制弹窗是否出现
const dialogVisible = ref(false);
//定义数组用来保存员工职级
const levelOptions = ref([
  {label:'员工',value:'10'},
  {label:'经理',value:'20'},
  {label:'总监',value:'30'},
  {label:'总裁',value:'40'}
]);
//定义数组用来保存员工领导数据
const leaderOptions = ref([
   // {username:'AA',id:'120'},
   // {username:'DD',id:'121'}

]);
//定义对象用来保存用户弹窗表单数据
const saveUserForm = ref({
  username:'',
  phone:'',
  email:'',
  age:'',
  level:'',
  parentId:'',
  gender:'',
  status:''
});
//定义变量用来保存弹窗的标题
const dialogTitle=ref('新建用户');
//每次点击"新增用户"按钮时调用:出弹窗+重设弹窗标题
const beforeAddUser=()=>{
  dialogTitle.value='新建用户';
  dialogVisible.value=true;
}
//定义保存用户的方法
const saveUser = () => {
  console.log(saveUserForm.value);
  //将JS对象转为查询字符串格式再发给后端,注意:qs需要导入!
  let data = qs.stringify(saveUserForm.value);
  console.log(data);//username=vv&phone=18877776666&email=vv%40193.com&age=50&level=20&parentId=102&gender=1&status=1
  // axios.post(BASE_URL+'/v1/user/save',saveUserForm.value).then((response)=>{
  axios.post(BASE_URL+'/v1/user/save',data).then((response)=>{
    if(response.data.code == 2000){
      ElMessage.success('保存成功!');
      //保存成功后,需要关闭弹窗,且清空用户表单数据
      dialogVisible.value = false;
      saveUserForm.value = {};
      //新增成功后，需要重新加载
      loadUser()
    }else{
      ElMessage.error(response.data.msg);
    }
  })
}
//定义处理弹窗关闭的方法
const handleClose = ()=>{
  if(confirm('您是否要关闭本弹窗')){
    //关闭弹窗,且清空用户表单数据
    dialogVisible.value=false;
    saveUserForm.value={};
  }
}
//定义对象用来保存用户搜索条件
const searchUserForm = ref({username:'',status:""});
//定义数组对象用来保存用户列表表格数据
const userArr =ref([]);
//定义加载用户列表的方法
const loadUser = ()=>{
  //使用qs将请求参数转为查询字符串格式
  let data =qs.stringify(searchUserForm.value);
  //利用axios给后端发查询请求
  axios.get(BASE_URL+'/v1/user/select?'+data).then((response)=>{
    if (response.data.code==2000){
      //当后端返回的状态码是2000说明请求成功了，将请求回来的数据存入绑定的表格数组中
      userArr.value=response.data.data;
    }else {
      ElMessage.error(response.data.msg);
    }
  })
};
//页面一加载完毕，立即调用的方法
onMounted(()=>{
  loadUser()
})
//定义重置搜索的方法
const resetSearch=()=>{
  //清空之前输入的搜索条件
  searchUserForm.value={};
 //重新加载所有的用户数据
  loadUser();
}
//定义方法用来加载所选职级对应的可选直属领导数据
const   loadLeader =()=>{
  //问题:如果员工选择了直属领导,再切换职级,新加载出来的领导选项里没有之前的领导,无法显示出领导姓名
  //解决:每次新选择职级后,加载直属领导前,需要将之前选择的直属领导和可选领导数据清空,防止遗留数据
  saveUserForm.value.parentId='';
  leaderOptions.value=[];
  //先拿到用户当前选择的职级，再加10才是上层可选领导的职级
 let level = parseInt(saveUserForm.value.level)+10;
 console.log(level);
  //给后端发送查询请求,查出对应职级下的所有员工
axios.get(BASE_URL+'/v1/user/select?level='+level).then((response)=>{
  if (response.data.code==2000){
    //将请求回来的数据存入leaderOptions中
    leaderOptions.value = response.data.data;
  }else {
    ElMessage.error(response.data.msg);
  }
})
}
//定义重置密码的方法 restful风格
const resetPassword = (userId)=>{
  axios.post(BASE_URL+'/v1/user/updata/password/'+userId).then((response)=>{
    if (response.data.code==2000){
      ElMessage.success('密码重置成功!');
    }else {
      ElMessage.error(response.data.msg);
    }
  })
}
//定义编辑用户的方法
const editUser =(id)=>{
  dialogVisible.value=true;
  dialogTitle.value='编辑用户';
  //根据当前用户的id回显弹窗表单中此用户的数值
  axios.get(BASE_URL+'/v1/user/select?id='+id).then((response)=>{
    if (response.data.code==2000){
      //注意:后端返回的数据是List<UserVO>一个集合，所以查一条数据的话需要取出第一个元素data[0]再赋值
      saveUserForm.value=response.data.data[0];
      //先拿到用户当前选择的职级，再加10才是上层可选领导的职级
      let level = parseInt(saveUserForm.value.level)+10;
      console.log(level);
      //给后端发送查询请求,查出对应职级下的所有员工
      axios.get(BASE_URL+'/v1/user/select?level='+level).then((response)=>{
        if (response.data.code==2000){
          //将请求回来的数据存入leaderOptions中
          leaderOptions.value = response.data.data;
        }else {
          ElMessage.error(response.data.msg);
        }
      })
    }else {
      ElMessage.error(response.data.msg);
    }

  })
}
//定义修改员工状态的方法
const  changeStatus=(userId,status)=>{
  axios.post(BASE_URL+'/v1/user/update/status/'+userId+'/'+status).then((response)=>{
    if (response.data.code==2000){
      ElMessage.success('修改状态成功!');
    }else {
      ElMessage.error(response.data.msg);
    }
  })
}
//定义删除员工的方法
const deleteUser=(userId)=>{
  if (confirm('你确认要删除该员工吗')){
    axios.post(BASE_URL+'/v1/user/delete/'+userId).then((response)=>{
      if (response.data.code==2000){
        ElMessage.success('删除成功');
        //删除成功后,需要重新加载所有的员工数据列表!
        loadUser();
      }else{
        ElMessage.error(response.data.msg);
      }
    })
  }

}
</script>



<style scoped>

</style>